Natural hazards · Crownsville

Crownsville, MD natural hazards

Most of the natural-hazard damage FEMA expects in Crownsville comes from inland flooding, and overall the risk is very low for a U.S. community. 1 federal disaster brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations

Expected damage

How exposed is Crownsville?

Very low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Crownsville to be higher than in 4% of U.S. communities, mostly from inland flooding.

Inland flooding50%Hurricanes10%Heat waves9%Tornadoes9%Everything else22%

By hazard

What Crownsville faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

50% of expected damage

Well below average · higher than 8% of U.S. places

Recorded about 4 times a year in the area

Hurricanes

10% of expected damage

Above average · higher than 73% of U.S. places

Recorded about once every 11 years in the area

Heat waves

9% of expected damage

Well below average · higher than 13% of U.S. places

Recorded about 6 times a year in the area

Tornadoes

9% of expected damage

Below average · higher than 33% of U.S. places

Lower here

Coastal floodingHailIce stormsWinter weatherCold wavesWildfireEarthquakesLandslidesStrong windLightningDrought

Not a risk here

AvalanchesTsunamisVolcanic activity

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.

Flood insurance claims

Does Crownsville flood?

FEMA's records show no paid flood insurance claims in Crownsville.

of all homes
are insured

No community discount. Crownsville isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Anne Arundel County.

What’s been done with FEMA grants

2homes raised above flood level

Disasters that hit Crownsville

1 federal disaster brought FEMA money here

Disasters the President declared that paid out in Crownsville itself: aid to households, or repair grants to Crownsville.

Brought FEMA money into CrownsvilleDeclared for Anne Arundel County only

2003

Hurricane Isabel

49 households applied for aid $59K aid approved

Anne Arundel County has had 20 natural disasters declared since 1953, most often winter storms and hurricanes.

Around Crownsville

Crownsville and the towns around it

Very lowLowModerateHighVery high

Crownsvillemostly inland floodingVery low

Herald Harbormostly inland floodingVery low

About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.

Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Crownsville is smaller than a census tract, so it shares the figures of the tract around its center.

Money that reached townFlood claims are matched to Crownsville’s own flood-insurance community; household aid to the registrant’s city; repair grants to Crownsville. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.